fix: remove hack to workaround GitHub Rebase & Merge

lib/branches/get-tags.js

@@ -25,7 +25,7 @@ module.exports = async ({cwd, env, options: {tagFormat}}, branches) => {
       const branchTags = await pReduce(
         tags,
         async (tags, {gitTag, ...rest}) =>
-          (await isRefInHistory(gitTag, branch.name, true, {cwd, env}))
+          (await isRefInHistory(gitTag, branch.name, {cwd, env}))
             ? [...tags, {...rest, gitTag, gitHead: await getTagHead(gitTag, {cwd, env})}]
             : tags,
         []

lib/git.js

@@ -1,4 +1,3 @@
-const {matches, pick, memoize} = require('lodash');
 const gitLogParser = require('git-log-parser');
 const getStream = require('get-stream');
 const execa = require('execa');
@@ -70,21 +69,16 @@ async function getBranches(repositoryUrl, execaOpts) {
     .filter(Boolean);
 }
 
-const getBranchCommits = memoize((branch, execaOpts) =>
-  getStream.array(gitLogParser.parse({_: branch}, {cwd: execaOpts.cwd, env: {...process.env, ...execaOpts.env}}))
-);
-
 /**
  * Verify if the `ref` is in the direct history of a given branch.
  *
  * @param {String} ref The reference to look for.
  * @param {String} branch The branch for which to check if the `ref` is in history.
- * @param {Boolean} findRebasedTags Weither consider in history tags associated with a commit that was rebased to another branch (i.e. GitHub Rebase and Merge feature).
  * @param {Object} [execaOpts] Options to pass to `execa`.
  *
  * @return {Boolean} `true` if the reference is in the history of the current branch, falsy otherwise.
  */
-async function isRefInHistory(ref, branch, findRebasedTags, execaOpts) {
+async function isRefInHistory(ref, branch, execaOpts) {
   if (!(await isRefExists(branch, execaOpts))) {
     return false;
   }
@@ -94,13 +88,6 @@ async function isRefInHistory(ref, branch, findRebasedTags, execaOpts) {
     return true;
   } catch (error) {
     if (error.exitCode === 1) {
-      if (findRebasedTags) {
-        const [tagCommit] = await getStream.array(
-          gitLogParser.parse({_: ref, n: '1'}, {cwd: execaOpts.cwd, env: {...process.env, ...execaOpts.env}})
-        );
-        return (await getBranchCommits(branch, execaOpts)).some(matches(pick(tagCommit, ['message', 'author'])));
-      }
-
       return false;
     }
 
@@ -288,7 +275,7 @@ async function verifyBranchName(branch, execaOpts) {
 async function isBranchUpToDate(repositoryUrl, branch, execaOpts) {
   const {stdout: remoteHead} = await execa('git', ['ls-remote', '--heads', repositoryUrl, branch], execaOpts);
   try {
-    return await isRefInHistory(remoteHead.match(/^(\w+)?/)[1], branch, false, execaOpts);
+    return await isRefInHistory(remoteHead.match(/^(\w+)?/)[1], branch, execaOpts);
   } catch (error) {
     debug(error);
   }

test/branches/get-tags.test.js

@@ -1,6 +1,6 @@
 import test from 'ava';
 import getTags from '../../lib/branches/get-tags';
-import {gitRepo, gitCommits, gitTagVersion, gitCheckout, merge, changeAuthor} from '../helpers/git-utils';
+import {gitRepo, gitCommits, gitTagVersion, gitCheckout} from '../helpers/git-utils';
 
 test('Get the valid tags', async t => {
   const {cwd} = await gitRepo();
@@ -175,28 +175,3 @@ test('Get the highest valid tag corresponding to the "tagFormat"', async t => {
     {name: 'master', tags: [{gitTag: '3.0.0-bar.2', version: '3.0.0', channel: undefined, gitHead: commits[0].hash}]},
   ]);
 });
-
-test('Get the tag on branch where commits have been rebased', async t => {
-  const {cwd} = await gitRepo();
-  const commits = await gitCommits(['First'], {cwd});
-  await gitCheckout('next', true, {cwd});
-  commits.push(...(await gitCommits(['Second/n/n/commit body'], {cwd})));
-  await gitTagVersion('v1.0.0@next', undefined, {cwd});
-  await gitCheckout('master', false, {cwd});
-  await merge('next', {cwd});
-  // Simulate GitHub "Rebase and Merge" by changing the committer info, which will result in a new commit sha and losing the tag
-  await changeAuthor(commits[1].hash, {cwd});
-
-  const result = await getTags({cwd, options: {tagFormat: `v\${version}`}}, [{name: 'master'}, {name: 'next'}]);
-
-  t.deepEqual(result, [
-    {
-      name: 'master',
-      tags: [{gitTag: 'v1.0.0@next', version: '1.0.0', channel: 'next', gitHead: commits[1].hash}],
-    },
-    {
-      name: 'next',
-      tags: [{gitTag: 'v1.0.0@next', version: '1.0.0', channel: 'next', gitHead: commits[1].hash}],
-    },
-  ]);
-});

test/git.test.js

@@ -105,10 +105,10 @@ test('Verify if the commit `sha` is in the direct history of the current branch'
   const otherCommits = await gitCommits(['Second'], {cwd});
   await gitCheckout('master', false, {cwd});
 
-  t.true(await isRefInHistory(commits[0].hash, 'master', false, {cwd}));
-  t.falsy(await isRefInHistory(otherCommits[0].hash, 'master', false, {cwd}));
-  t.falsy(await isRefInHistory(otherCommits[0].hash, 'missing-branch', false, {cwd}));
-  await t.throwsAsync(isRefInHistory('non-existant-sha', 'master', false, {cwd}));
+  t.true(await isRefInHistory(commits[0].hash, 'master', {cwd}));
+  t.falsy(await isRefInHistory(otherCommits[0].hash, 'master', {cwd}));
+  t.falsy(await isRefInHistory(otherCommits[0].hash, 'missing-branch', {cwd}));
+  await t.throwsAsync(isRefInHistory('non-existant-sha', 'master', {cwd}));
 });
 
 test('Verify if a branch exists', async t => {

test/helpers/git-utils.js

@@ -256,16 +256,3 @@ export async function mergeFf(ref, execaOpts) {
 export async function rebase(ref, execaOpts) {
   await execa('git', ['rebase', ref], execaOpts);
 }
-
-export async function changeAuthor(sha, execaOpts) {
-  await execa(
-    'git',
-    [
-      'filter-branch',
-      '-f',
-      '--env-filter',
-      `if [[ "$GIT_COMMIT" = "${sha}" ]]; then export GIT_COMMITTER_NAME="New Author" GIT_COMMITTER_EMAIL="author@test.com"; fi`,
-    ],
-    execaOpts
-  );
-}